Home / 22,217.54-30,660.26-12,146.09

Finding the Fourth Proportional to 22,217.54, 30,660.26 and 12,146.09

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Solution

The fourth proportional to 22,217.54, 30,660.26 and 12,146.09 is: 16,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.54 : 30,660.26 = 12,146.09 : x
  2. Step 2: Convert to fraction form
    22,217.54/30,660.26 = 12,146.09/x
  3. Step 3: Cross multiply
    22,217.54x = 30,660.26 × 12,146.09
  4. Step 4: Simplify right side
    22,217.54x = 372,402,063.35
  5. Step 5: Solve for x
    x = 372,402,063.35/22,217.54
  6. Step 6: Final answer
    x = 16,761.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.